Home / 9,091.24-13,561.14-8,940.72

Finding the Fourth Proportional to 9,091.24, 13,561.14 and 8,940.72

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Solution

The fourth proportional to 9,091.24, 13,561.14 and 8,940.72 is: 13,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.24 : 13,561.14 = 8,940.72 : x
  2. Step 2: Convert to fraction form
    9,091.24/13,561.14 = 8,940.72/x
  3. Step 3: Cross multiply
    9,091.24x = 13,561.14 × 8,940.72
  4. Step 4: Simplify right side
    9,091.24x = 121,246,355.62
  5. Step 5: Solve for x
    x = 121,246,355.62/9,091.24
  6. Step 6: Final answer
    x = 13,336.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.